K4DWB
Active1x3District 4
No competing applications on record.
License HolderANDRUS, DONALD W
License ClassTechnician
Min. Class RequiredGeneral
LocationBOULDER, CO
Grant DateJun 4, 2026
Expiration DateJan 23, 2036
K4DWB is a 1x3 format amateur radio callsign. It is currently registered to ANDRUS, DONALD W in BOULDER, CO. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- ....- -.. .-- -...
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Delta Whiskey Bravo
Readability: 8/10(High readability)
License History
- License RenewedJun 4, 2026
- Administrative Update AppliedJun 4, 2026
- License RenewedNov 9, 2015
- Tax ID (TIN) AddedNov 14, 2005
- License RenewedNov 14, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.